Aztec BUFFER 21 User manual

OWNER’S MANUAL
[phone] [phone] FAX [phone]
4300 BETHLEHEM PIKE • TELFORD, PA 18969
BUFFER
21", 24"
27" & 31"
MODELS

I. POWERED EQUIPMENT PREPARATION
A. Familiarize yourself with equipment by reading
manuals and identifying components and controls.
B. Check that suggested maintenance schedule has
been observed.
C. All machines are equipped with a multi-function
maintenance meter. The four functions include the
following: hours, job timer, service alarm and
tachometer. (See Engine Maintenance Meter Instructions)
D. Never let an untrained person operate or perform
repairs on the machine. They may hurt themselves,
damage the floor or the equipment.
E. Never change or alter the propane control equipment!
F. Always check oil before attempting to start engine!
G. Install approved and properly filled propane tank.
• Never complete the connection of the tank to the
machine by using a wrench. Always do it by hand.
Listen for the rush of fuel to the lock-out device
when you open the tank valve. If you hear this, it
will indicate that a good connection has been
made at the tank.
• European tank connections may require use of a
wrench. However, care should be taken not to
overtighten the gas fittings.
• Provide and use ear protection during operation.
II. STARTING THE ENGINE
A. Open propane (LPG) tank valve (counter clockwise).
B. Set throttle control at idle for 12 V & choke for
electric start system.
C. 12 volt system - turn key to the start position & move
throttle toward fast position. If engine does not start,
release key and return to step “B”. If hard starting,
refer to step “B”.
D. Electric start - push “Start” button until engine starts.
Starter should not be engaged for more than 10
seconds at a time.
•When a propane tank is overfilled it may temporarily
cause the fuel regulator to malfunction. Remove the
tank to a well ventilated location. Release some gas
until the cloud disappears and escaping gas is
“clear”. Reinstall tank.
• All machines are equipped with tamper proof fuel
systems. If a fuel problem exists, contact an
authorized service center.
• Propane tanks should be removed & stored in a
protected off site area.
• No machine with a Dead Man Lever Clutch should
be left running disengaged. Upon starting,
engage clutch immediately to prevent belt from
burning. Burning of the belt causes premature
failure and is a misuse not covered by warranty.
III. BUFFER OPERATION
A. Install appropriate buffer pad (see maintenance below).
B. Start engine with machine tilted so pad is off floor.
C. Engage clutch immediately.
D. Follow machine (straight ahead) at moderate walking
speed. Keep moving.
• Do not operate the machine in one location for
more than a few seconds — it will damage —
“burn” the finish.
Do not disengage the clutch and leave running for more
than 30 seconds. It can damage the clutching belt.
• When new belts are installed there is a “breaking in”
period (several hours of use) during which time
the clutch may not fully disengage. Contact with
floor should stop rotation. Never tilt machine
back when engine is running.
• When operation is completed remove tank and
store in a secure, protected off site (preferably
outdoor) location.
• Do not use for scrubbing operations.
• Engine speed not to exceed 2800 (20HP) or
3400 (14HP).
• This machine is not suitable for picking up
hazardous dust.
•Do not use on surfaces with a gradient exceeding 2%.
• Never tilt back machine to maintenance position
while engine is running.
• Never reach under protective shroud when engine
is running.
IV. CAUTION IN STORAGE AND
HANDLING: PROPANE TANKS
A. Always store equipment away from heater rooms,
boilers, gas-fired water heaters or any other source of
open flame.
B. Always store equipment away from possible damage
by falling objects in warehouse-type areas.
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C. Always vent an over-full bottle out of doors away
from all closed places and away from any fire or
flame producing device. Use a screwdriver to vent
excess propane which escapes as a white mist until
at proper level in tank.
D. Always store LPG tanks outside. Remove all tanks
from inside building except during equipment use.
Store them in a secure, well ventilated area.
21”", 24”", 27" & 31"
BUFFER INFORMATION
I. ENGINE
A. See engine manual for maintenance schedule.
• Consult local laws regarding used oil and
battery disposal.
II. PAD DRIVE FACING, BELT, IDLER PULLEY,
OR DRIVE SHAFT REPLACEMENT:
A. Adjust the handle to enable the buffer to stand on
rear wheels.
• Handle must be in shipping (forward) position to
insure stability in the “tilt back” position. A
second person should aide in the lift and to
secure the buffer while being serviced.
• Do not use “T” handle when attempting to tilt
back machine for service or cleaning. “T” handle
is designed for control during operation — Do not
use excessive vertical pressure.
B. Remove pad drive nut & pad centering device and
four (4) bolts (9/16" wrench).
C. Remove pad drive. (Replace if worn.)
D. Remove idler pulley. (Replace if worn.)
E. Remove belt(s). (Replace if worn.)
F. To remove driveshaft unit: Remove retaining bolt &
clip—pull driveshaft out of housing—use of a slide
hammer may assist in removal (Do not pry with
crow bar). While drive shaft is removed, spin
bearings. If roughness is felt, bearing replacement
may be necessary.
G. To reassemble, reverse order of all steps taken above.
III. CABLE REPLACEMENT:
A. Remove cable conduit (black sheath) from its resting
place in the cable stop on the handle.
B. Remove the retaining pin from the “Clutch” lever on
the handle.
C. Adjust the handle to enable the buffer to stand on its
rear wheels.
D. Remove spring or springs (1-spring 21"-27";
2 springs 22"-31") + SW from the cable end.
E. Reverse above order to install new cable.
NOTE: Make sure flat ends of both springs are facing
each other.
NOT ALL OF THESE STEPS WILL BE NECESSARY FOR
ALL JOBS, BUT IF THEY ARE, THE ENTIRE JOB CAN
BE COMPLETED WITH A FEW TOOLS IN LESS THAN
15 MINUTES!!!
IV. LUBRICATION INSTRUCTIONS:
A. Refer to engine manufacturer’s owners manual and
comply completely with the lubrication instructions.
Any evidence of under -lubrication will make a
claim against the manufacturer invalid.
B. Keep a good service log on each machine with the
date, hour meter reading, type(s) of service performed
and the name of the person who performed them.
This will assist you and Aztec in spotting weaknesses
in our respective areas of responsibility. A standard
maintenance log is available at any stationary store.
V. TROUBLESHOOTING
THE ELECTRICAL SYSTEM
A. First, check all wire connections for obvious problems.
Remove LPG tank, then remove battery box cover. Check
all connections visibly and physically. If any “loose”,
damaged or unconnected wires are noticed, contact Aztec
and/or put wires back in their proper place.
• Always wear a face shield, safety glasses and
protective clothing when working around a battery!!
The gases can be explosive and the acid is highly
corrosive to metals, cloth and ALL HUMAN
TISSUE (skin, eyes, etc.) If the battery post(s) are
corroded, remove the wires and clean posts and
wires well. You may wish to put some axle grease
on the posts or the battery after they are cleaned.
This will slow down the battery corrosion process.
IF NOTHING OBVIOUS IS NOTED, A MORE DETAILED
INVESTIGATION IS WARRANTED. BEFORE ANY SUCH
TROUBLE SHOOTING BEGINS, THE FOLLOWING
THINGS SHOULD BE DONE:
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1. Replace propane (LPG) tank with one from a machine
that runs.
2. Charge the battery or provide an absolute source of
12 volt DC power capable of 50 amperes total output.
(A pair of good jumper cables from your car or truck
battery will suffice.)
3. Equip yourself with an inexpensive 12 volt test light.
4. If the trouble seems to be in the electrical control
equipment, you may wish to disconnect the starter
from the system so as to check the system without
spinning the engine.
VI. ENGINE MAINTENANCE METER
A. This meter is used to perform preventive maintenance
which benefits you with increased fuel economy, less
down time and longer engine life. It is simple to
operate because of its functional and user friendly
design and has a function for every application, detailed
as follows:
HOUR METER: Records actual running time of
engine. Non-erasable.
JOB TIMER: An erasable, independent timer.
A perfect accessory for job costing and
billing purposes.
SERVICE ALARM: Makes setting your own service
interval a snap. Display flashes when service
interval is reached. Helps you perform preventive
maintenance (oil & filter changes, lubrication and
cleaning, etc.) within manufacturers’
recommendations.
TACHOMETER: Tells you what R.P.M. your engine
is running at for maximum power and efficiency.
Reads up to 6,000 R.P.M.
VII. OPERATING INSTRUCTIONS
A. Push and release mode button to advance to
next function.
• Hour meter—indicated by TOT TIME on display, is
non-re-setable.
• Tachometer—upon entering this function you will
see P1, P2 or P3 for 3 seconds on the right hand
side of the display. This is the programmed
pattern. To access MAXTCH (the highest RPM the
engine has been run at) be in the RPM mode and
hold the mode button down for more than 10
seconds. Release button on the desired firing pattern.
Tachometer Firing patterns:
P1- 1 Spark: 1RPM-Most air cooled engines.
P2- 2 Sparks: 1RPM-Specialty engines, dual
point ignition.
P3- 1 Spark: 2RPMs-Engines with ignitions driven
from camshafts or distributors.
• Job Timer-to erase, be in the JOB TIME function
and hold mode button down for 3 seconds.
Service Alarm—to program a service interval, be in the
SVC SET function and hold the mode button down.
Release button on the desired hour. When the SVC TIME
reaches the service interval you programmed, the
display will flash indicating service is due. This flashing
will continue until the SVC TIME is cleared. Perform
necessary service then advance to the SVC TIME
function and hold the mode button down for 3 seconds,
the SVC TIME will clear and the flashing will stop. SVC
TIME will now start building back up to the service
interval you programmed in SVC SET.
RETURN GOODS POLICY
As an Aztec customer, you are aware that the equipment
we design and build is both innovative and unique. Since
this is true, in order to trouble-shoot our equipment, we
rely heavily on returned defective or failed parts so that
we can examine first-hand the causes of failure. While
this may at first seem to be an inconvenience, ultimately
you benefit from safer and better designed machine
components. Please give us the opportunity to serve
you better by following these RGA (Returned Goods
Authorization) rules.
1. We maintain the serial number, date of shipment or
sale, and customer name on each piece of equipment
sold. If you were the purchaser, please reference that
information on your request for replacement or repair.
If you purchased the equipment through a distributor,
please contact them first. If you are not satisfied,
contact Aztec and give us the Distributor name,
purchase date, and the serial number of the product.
2. Order the replacement part from your distributor or
Aztec Products by calling 800-331-1423 during
normal business hours (8:30-5:00 Eastern Time).
We will ship warranted parts at our expense.
3. When dealing with Aztec ask for an RGA number
when you are ordering the replacement part. Return
the failed part to us within 30 days, freight prepaid,
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RETURN GOODS POLICY (cont’d)
exactly as it was at the time of failure. Our inspection
and evaluation will attempt to determine the probable
cause of failure.
4. If our inspection reveals that the failed part was
defective, we will credit your account for the entire
amount of the part including your cost of return
freight. When incomplete parts are returned for credit,
their condition or state of incompletion will be
assessed against the credit claim at the sole
discretion of Aztec Products, Inc.
5. We also offer to do warranty related repairs free of
charge at our facility. Arrangements must be made in
advance as outlined above. We will not accept freight
collect returns or returns that do not indicate the RGA
# on the packing list.
Your satisfaction in all of your dealings with Aztec
Products, Inc. is extremely important to us. We intend
to be reasonable on any matter that is related to our
warranted service or other wear-related problems which
our customers feel need attention. Please help us to help
you. Before assuming that a part is defective, check the
repair manual to see if the problem might be something
that you or one of your employees might be capable of
correcting. If it is not, follow the above policy and depend
on us to respond quickly and responsibly.
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AZTEC PRODUCTS WARRANTY
Aztec Products, Inc. warrants its products to be free from defects in material and workmanship for
a period of one year from the date of sale. (Sidewinders will be warranted for one year or the total
wear time on a set of brushes, whichever comes first.) All engines are warranted by the
manufacturer of the engine. Honda is warranted for 2 years. The Onan engines are warranted for
3 years but can be extended to 5 years.
Aztec Products, Inc. agrees, at its discretion, to repair or replace at its own expense any product
or part(s) which examination proves to be defective in workmanship or materials provided that
the purchaser notifies Aztec Products, Inc. directly, within the warranty period and follows the
Return Policy.
This warranty does not apply to or cover equipment damaged by misuse, abuse, neglect,
accident, or any use not specified in the instruction manual, or any other circumstances that are
clearly out of the control of Aztec Products, Inc. or their authorized agents.
The propane devices are to be regarded as non-serviceable equipment. All repairs or changes must
be made under the supervision or arrangement of Aztec Products, Inc. or their agents unless
prior written consent has been issued. Any deviation from this arrangement shall make the owner
of the equipment and/or party involved in those changes responsible for any and all damages
resulting from such changes.
The foregoing is the entire and only Aztec Products, Inc. warranty which in no event covers
incidental or consequential damages resulting from any such defective product or part(s). This
warranty gives specific legal rights. Purchaser may have other rights which may
vary from state to state.
Warranties are not transferable.

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29th AUG 1998

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14 HP 20 HP

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9-5-98

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Notes

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Notes

[phone] [phone] FAX [phone]
4300 BETHLEHEM PIKE • TELFORD, PA 18969